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    Bioactive and Physico-Chemical Assessment of Innovative Poly(lactic acid)-Based Biocomposites Containing Sage, Coconut Oil, and Modified Nanoclay

    Year: 2023

    Journal: International Journal of Molecular Sciences, Volume 24, 2023-01, page 3646

    Authors: Darie-Niță, Raluca Nicoleta; Irimia, Anamaria; Doroftei, Florica; Stefan, Laura Mihaela; Iwanczuk, Andrzej; Trusz, Agnieszka

    Keywords: cytocompatibility; antioxidant; poly(lactic acid); antimicrobial; coconut oil; nanoclay; sage

    The bioactivity of the versatile biodegradable biopolymer poly(lactic acid) (PLA) can be obtained by combining it with natural or synthetic compounds. This paper deals with the preparation of bioactive formulations involving the melt processing of PLA loaded with a medicinal plant (sage) and an edible oil (coconut oil), together with an organomodifed montmorillonite nanoclay, and an assessment of the resulting structural, surface, morphological, mechanical, and biological properties of the biocomposites. By modulating the components, the prepared biocomposites show flexibility, both antioxidant and antimicrobial activity, as well as a high degree of cytocompatibility, being capable to induce the cell adherence and proliferation on their surface. Overall, the obtained results suggest that the developed PLA-based biocomposites could potentially be used as bioactive materials in medical applications.
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